As of the latest Form 4 filed Jun 25, 2026.
What Protagonist Therapeutics Inc insiders — officers, directors and 10% owners — have bought and sold in their own stock, straight from their SEC Form 4 filings. Values are shares × the reported transaction price where both are disclosed.
Buys plotted up, sells down; bar height is the disclosed dollar value (shares × reported price). Our Form 4 history is only complete from mid-2026, so early months are sparse — the series fills in as more filings land. Open-market purchases and sales only.
Newest filing first — the 19 most recent filings for PTGX.
| Filed | Trade date | Insider | Transaction | Shares | Price | Value | 10b5-1 | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-06-25 | 2026-06-23 | Waddill William D. Director | SSale | −9.00K | $117.94 | $1.06M | Yes (planned) | Form 4 ↗ |
| 2026-06-25 | 2026-06-23 | Waddill William D., Director | MExercise | +9.00K | $16.54 | $149K | Yes (planned) | Form 4 ↗ |
| 2026-06-11 | 2026-06-10 | Waddill William D. Director | SSale | −9.00K | $107.68 | $969K | Yes (planned) | Form 4 ↗ |
| 2026-06-11 | 2026-06-10 | Waddill William D., Director | MExercise | +6.00K | $16.54 | $99.2K | Yes (planned) | Form 4 ↗ |
| 2026-06-11 | 2026-06-10 | Waddill William D., Director | MExercise | +3.00K | $11.80 | $35.4K | Yes (planned) | Form 4 ↗ |
| 2026-04-24 | 2026-04-23 | PATEL DINESH V PH D President and CEO | GGift | −1.46K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-04-21 | 2026-04-20 | Ali Asif Chief Financial Officer | SSale | −1.75K | $105.47 | $185K | No | Form 4 ↗ |
| 2026-03-27 | 2026-03-26 | MOLINA ARTURO MD Chief Medical Officer | SSale | −15.0K | $104.79 | $1.57M | No | Form 4 ↗ |
| 2026-03-27 | 2026-03-26 | MOLINA ARTURO MD, Chief Medical Officer | MExercise | +15.0K | $8.04 | $121K | No | Form 4 ↗ |
| 2026-03-27 | 2026-03-26 | SELICK HAROLD E Director | SSale | −24.0K | $105.00 | $2.52M | No | Form 4 ↗ |
| 2026-03-27 | 2026-03-26 | SELICK HAROLD E, Director | MExercise | +24.0K | $12.88 | $309K | No | Form 4 ↗ |
| 2026-03-27 | 2026-03-26 | Ali Asif Chief Financial Officer | SSale | −24.8K | $104.24 | $2.58M | No | Form 4 ↗ |
| 2026-03-27 | 2026-03-26 | Ali Asif, Chief Financial Officer | MExercise | +5.26K | $12.17 | $64.1K | No | Form 4 ↗ |
| 2026-03-27 | 2026-03-26 | Ali Asif, Chief Financial Officer | MExercise | +19.5K | $19.19 | $374K | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-25 | PATEL DINESH V PH D President and CEO | SSale | −54.6K | $101.00 | $5.52M | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-25 | PATEL DINESH V PH D, President and CEO | MExercise | +54.6K | $8.58 | $469K | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-24 | PATEL DINESH V PH D, President and CEO | SSale | −59.00 | $101.00 | $5.96K | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-24 | PATEL DINESH V PH D, President and CEO | MExercise | +59.00 | $8.58 | $506.22 | No | Form 4 ↗ |
| 2026-03-25 | 2026-03-23 | PATEL DINESH V PH D, President and CEO | GGift | −50.0K | $0.00 | $0.00 | No | Form 4 ↗ |
Insiders — a company’s officers, directors and holders of more than 10% of its stock — must report any trade in that stock to the SEC on a Form 4 within two business days. Each row here is one transaction from those filings.
The transaction code tells you what happened: Purchase (P) and Sale (S) are open-market trades — the ones markets watch most; Award (A) is a granted stock or unit, Option exercise (M) converts options into shares, and Gift (G) is a transfer for no consideration. Awards, exercises and gifts are largely compensation or administrative, not a directional bet.
One caveat on sales: many are made under a Rule 10b5-1 plan scheduled months in advance, so a sale is not automatically a bearish signal. Insider activity is a noisy input — read it alongside the filings, not on its own.
See also PTGX’s full analysis or the market-wide insider trading feed. The tabs above jump to PTGX’s other SEC data.
Source: SEC Form 4 filings for PTGX, parsed from EDGAR. Transaction prices are as reported in the filing — SEC public-domain data, not market quotes. Values are shares × reported price where both are disclosed; grants and gifts often carry no price. A delayed record of what insiders reported, not a live position or a recommendation.
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